<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>颜色设置</title>
  <style>
    div{
      width: 100px;
      height: 100px;
      border: 1px solid black;
    }
    #d1{
      color: rgb(196,209,214);
    }
    #d2{
      color:#FC96B2
    }
    #d3{
      background: rgba(196,209,214,0.5);
    }
  </style>
</head>
<body>
  <div id="d1">
    这是d1
  </div>
  <div id="d2">
    这是d2
  </div>
  <div id="d3">
    这是d3
  </div>
</body>
</html>